213436026 has 16 divisors (see below), whose sum is σ = 474302400. Its totient is φ = 71145324.

The previous prime is 213436019. The next prime is 213436033. The reversal of 213436026 is 620634312.

213436026 is a `hidden beast` number, since 2 + 13 + 43 + 602 + 6 = 666.

213436026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213436019) and next prime (213436033).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976206 + ... + 1976313.

It is an arithmetic number, because the mean of its divisors is an integer number (29643900).

Almost surely, 2^213436026 is an apocalyptic number.

213436026 is an abundant number, since it is smaller than the sum of its proper divisors (260866374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213436026 is a wasteful number, since it uses less digits than its factorization.

213436026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952530 (or 3952524 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 213436026 is about 14609.4498869738. The cubic root of 213436026 is about 597.6164940368.

The spelling of 213436026 in words is "two hundred thirteen million, four hundred thirty-six thousand, twenty-six".